Machine, Socket Screw, Countersunk, Grub Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, M6, M10 x 1.50, 1/4"-20, M2.5x0.45
130 mm, 140 mm, 60 mm, 3 1/8", 20 mm
Brass, Steel, Titanium, Steel, Alloy Steel, Nylon, Plastic
Flanged Button, Flat, Flanged Standard, Ultra-Low-Profile Standard, Low-Profile Standard
Pozidriv, Torx, External Square, Socket, Slotted